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## Index: E

e/E commands: 2.4.1. Simple Control Mode Commands
EBCDIC character set: 1.6.2. Filenames and Wildcards
echo command: 1.4. Getting the 1993 Korn Shell
  3.4. Shell Variables
  using print command instead of: 7.2.1. print
ed line editor: 3.5.1. Environment Variables
  7.1.1. Here-Documents
editing (see command-line editing)
editing commands (vi-mode): 2.4. Vi Editing Mode
editing modes: 2. Command-Line Editing
  customizing: 10.3. Customizing the Editing Modes
EDITOR variable: 3.4.2.1. Editing mode variables
  3.5.1. Environment Variables
egrep command: 4.5.2.3. Korn shell versus awk/egrep regular expressions
  vs. Korn shell: 4.5.2.3. Korn shell versus awk/egrep regular expressions
elif (see if statement)
else clause: 5.1. if/else
Emacs editor: 2. Command-Line Editing
  2.3. Emacs Editing Mode
  2.3.1. Basic Commands
  2.3.6. Miscellaneous Commands
  3.5.1. Environment Variables
  3.5.1. Environment Variables
  3.5.1. Environment Variables
  finger habits and: 2.6. Finger Habits
  regular expressions and: 4.5.2.1. Regular expression basics
  search commands and: 2.3.4. Moving Around in the History File
emacs-mode: 2.3. Emacs Editing Mode
  basic commands for: 2.3.1. Basic Commands
  case-changing commands for: 2.3.6. Miscellaneous Commands
  command subset for: 2.6. Finger Habits
  commands for (list): B.9. Emacs Mode Commands
  customizations and: 10.2.3. Types of Global Customization
  enabling: 2.1. Enabling Command-Line Editing
  history commands for: 2.3.4. Moving Around in the History File
  line commands for: 2.3.3. Line Commands
  miscellaneous commands for: 2.3.6. Miscellaneous Commands
  terminal requirements for: 2.3.1. Basic Commands
  word commands for: 2.3.2. Word Commands
emacs option: 3.3. Options
ENTER key/character, quoting: 1.9.4. Continuing Lines
ENV variable: 3.5.2. The Environment File
environment: 3. Customizing Your Environment
  3. Customizing Your Environment
  (see also shells)
  customizing: 10.2. Environment Customization
    hints for: 3.6. Customization Hints
    via programming: 4. Basic Shell Programming
environment files: 2.1. Enabling Command-Line Editing
  3.5.2. The Environment File
  in shell subprocess: 8.6.1. Shell Subprocess Inheritance
  system-wide unavailable to Korn shell: 10.2.3. Types of Global Customization
environment variables: 2.1. Enabling Command-Line Editing
  2.2. The History File
  2.5. The hist Command
  3.4. Shell Variables
  3.5.1. Environment Variables
  creating: 3.5.1. Environment Variables
  customizations and: 10.2.3. Types of Global Customization
    10.2.3. Types of Global Customization
  displaying: 3.5.1. Environment Variables
  restricted shell and: 10.4.2. Restricted Shell
  subprocess inheritance and: 8.6.1. Shell Subprocess Inheritance
  visibility in shell subprocesses: 4.1. Shell Scripts and Functions
equal sign (=): 7.2.3.3. Code blocks
  == string comparison operator: 5.1.4.1. String comparisons
  as command: 2.4.6. Filename and Variable Completion and Expansion
  as string comparison operator: 5.1.4.1. String comparisons
  as variable assignment operator: 3.4. Shell Variables
ERR fake signal: 9.1.2. Fake Signals
  9.1.2.2. ERR
ESC commands: 2.3.2. Word Commands
eval command: 7.3.4. eval
  for constructing pipelines: 7.3.4. eval
    7.3.4.1. The C compiler as pipeline
exclamation point (!)
  != string comparison operator: 5.1.4.1. String comparisons
  as built-in variable: 8.4.2. Process ID Variables and Temporary Files
  as negation operator: 5.1.4.3. File attribute checking
    5.1.4.3. File attribute checking
  as regular expression operator: 4.5.2.1. Regular expression basics
    4.5.2.1. Regular expression basics
    4.5.2.3. Korn shell versus awk/egrep regular expressions
  indicating negation in character set: 1.6.2. Filenames and Wildcards
exec statement, kshdb debugging tool and: 9.2.1.2. exec
exec system call: 8.5. Coroutines
executable files: 1.6. Files
  3.4.2.6. Command search path
  5.1.4.2. About C compilers
  a.out file and: 5.1.4.2. About C compilers
  in command-line processing: 7.3.2. Substitution Order
  order of precedence in command lookup: 4.1.1. Functions
  renaming with mv command: 5.2. for
  setuid bit and: 10.4.4. Setuid and Privileged Mode
  while loop and: 5.5. while and until
execution tracing: 9.2.3.5. Execution tracing
exit command: 8.4.2. Process ID Variables and Temporary Files
  for ending shell sessions: 1.5. Interactive Shell Use
EXIT fake signal: 9.1.2. Fake Signals
  limitations and: 9.2.3.7. Limitations
exit statuses: 5.1.1. Exit Status and Return
  5.1.4.1. String comparisons
  combining: 5.1.2. Combinations of Exit Statuses
  in job status messages: 8.1. Process IDs and Job Numbers
  trapping when non-zero: 9.1.2.2. ERR
export command: 3.5.1. Environment Variables
  3.5.1. Environment Variables
  6.5.3. Type and Attribute Options
  FPATH variable and: 10.2.3. Types of Global Customization
expr command: 6.2. Numeric Variables and Arithmetic

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